Is 10+10+5 greater than, equal to, or less than 40-10? Today, Mr. Joel Lookadoo will show us how to solve challenging math problems like these by using number lines and pictures! Rise and Shine is ...
Source: Slide 15 of a PowerPoint presentation, accompanying a June 2016 OECD report, “Equations and Inequalities.” Click here for a larger version. Abstract, pure math — solving disembodied equations ...